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Finding the Fourth Proportional to 89,079.70, 133,695.15 and 36,526.90

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Solution

The fourth proportional to 89,079.70, 133,695.15 and 36,526.90 is: 54,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079.70 : 133,695.15 = 36,526.90 : x
  2. Step 2: Convert to fraction form
    89,079.70/133,695.15 = 36,526.90/x
  3. Step 3: Cross multiply
    89,079.70x = 133,695.15 × 36,526.90
  4. Step 4: Simplify right side
    89,079.70x = 4,883,469,374.54
  5. Step 5: Solve for x
    x = 4,883,469,374.54/89,079.70
  6. Step 6: Final answer
    x = 54,821.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.